Selfie Stick & Little Secrets!
Selfie Stick is a common smartphone accessory nowadays! The word “selfie” first appeared in an online forum in 2002, and in 2013 it was named the Oxford Dictionary Word of the Year, defined as “A […]
Soldering Iron Tip Thermometer – Little Secrets!
Whether you are a soldering artist or not, checking your soldering iron out should be a steady routine. So, it’s always good to have a soldering iron tip thermometer handy. There’re different types of tip […]
FOTEK SSRs – Just Another Quick Guide
This little post is about the quite popular FOTEK Solid State Relay (FOTEK SSR). First note that FOTEK is a well-known brand in China and a FOTEK SSR will last a long time. But sadly, […]
MiniSense 100 Vibration Sensor Primer
Since every machine has its own vibration signature, drifts in a machine’s vibration can indicate potential faults. There’re multiple types of vibration sensors available to keep tabs on a machine’s vibration, and a widely used […]
LED Inverter Lamp – Quick Teardown
Prolonged blackouts have always been an annoyance, but with the help of today’s portable inverter lamps/bulbs, tackling them has become much easier. Below you can see such an affordable LED Inverter Lamp from Osram (India). […]
RC Hobby Servo PWM vs PPM
This quick intro post tells you something about converting radio-control (RC) hobby servo pulse width modulation (PWM) signals to pulse position modulation (PPM) signals using commonly available systems and components. At this time, you can […]
Infrared Motor Speed Sensor – Refined Primer
A timely review is beneficial to all. So, here’s the long-awaited sequel of my old post about infrared motor speed sensors and motor speed sensor modules. This is the direct link to read that popular […]
Optical Needle Deflection Sensor
Sometimes you may want to detect the deflection of the needle of an instrument by a non-contact method. If so, this idea might help you! I will now show you a simple technique for optically […]
Arduino Analog Sensor – Read & Display
Arduino provides a number of analog inputs which enables us to measure parameters such as voltage, current, resistance, light, temperature, and so on in the analog arena. In this post, we’ll look at how to […]
Arduino Touch Sensor/Capacitive Proximity Sensor
A capacitive proximity sensor is a non-contact device that can detect the presence or absence of an object in its close vicinity. It utilizes the electrical property of capacitance and the change of capacitance based […]